Home / 9,291.66-12,818.31-5,514.98

Finding the Fourth Proportional to 9,291.66, 12,818.31 and 5,514.98

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Solution

The fourth proportional to 9,291.66, 12,818.31 and 5,514.98 is: 7,608.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291.66 : 12,818.31 = 5,514.98 : x
  2. Step 2: Convert to fraction form
    9,291.66/12,818.31 = 5,514.98/x
  3. Step 3: Cross multiply
    9,291.66x = 12,818.31 × 5,514.98
  4. Step 4: Simplify right side
    9,291.66x = 70,692,659.19
  5. Step 5: Solve for x
    x = 70,692,659.19/9,291.66
  6. Step 6: Final answer
    x = 7,608.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.